Mountain ridge, also known as red fruit, mountain red. It is a deciduous tree of the genus Rosaceae. Flowers white, corymbs inflorescence, flowering from May to June, fruit red, white lenticels, mature around October. Hawthorn hi light, slightly shade-tolerant, cold-resistant, dry-resistant, resistant to soil pots. However, it is best to grow on wet, well-drained sandy loam. Hawthorn has a well-developed root system. The cultivation method of hawthorn bonsai is as follows:
I. Miaoyuan
Hawthorn seedlings mostly come from grafted seedlings. Rootstock can be used directly as rootstock. It is also possible to directly tap the dwarfs, crowns and tree-shaped pile heads in the mountains.
Second, modeling
(1) Upper basin
Hawthorn's upper basin can be carried out before the budding in spring or after falling in autumn, of which the autumn basin is better. Matching pots use rectangular or oval zisha pots, but also can be used to boil pots. Basin soil requires mild fertility, not too high fertility. PH value of soil is 6-7.5, not too alkaline. The soil can be mixed with pastoral soil and a small amount of decomposed manure.
(2) Modeling
First understand the physiological characteristics of hawthorn. The flower bud differentiation of Hawthorn began around July and peaked in mid-August. In this process, the new shoots of the entire plant cease to grow, and nutrient contention with flower bud differentiation is avoided, so flowering is easy. Generally speaking, if the nutritional conditions are adequate, flower buds can be formed in the long, middle and short branches of the hawthorn and even in the leafy branches. Hawthorn flowers can be singly strong without undergoing spermation, and the fruit set rate is high. The physiological fruiting period is concentrated in 2-4 weeks after flowering.
The second plastic trim. Hawthorn saplings have a stronger apex and fewer collaterals. Therefore, when saplings are used, they should be often pruned to promote their multi-branching, and the tree body can be cut or circumcised during the flower bud differentiation period from mid-July to August to promote flower bud differentiation. The plant type of hawthorn bonsai can be manufactured and cultivated by cutting and tying. Hawthorn branches are brittle and care must be taken when processing. In general, wire rods are used. When pruning during the summer season, pay attention to the proportion of vegetative branches and fruiting branches to ensure the results of the next year, and pay attention to the elimination of dense flowers and fruits.
Third, maintenance management
(1) Location
Hawthorn is a light tree species, and the lack of sunlight will result in thin branches, thin leaves, light colors, and poor fruit set. Therefore, it should be placed in the maintenance of sunny and airy places.
(2) Watering
Hawthorn is more tolerant to drought, and unsuccessful trees do not have strict water requirements, but the resulting bonsai must ensure adequate supply of water. Pots to ensure that the degree of moisture, not water, in the fall to control the amount of water, but in winter is rather dry not wet.
(3) Fertilization
Hawthorn is weak and not particularly fertile, and it is not too much to apply base fertilizer in winter to avoid causing leggy. After application of a thin phosphorus and potassium fertilizer, should not apply nitrogen fertilizer. Appropriate amount of fertilization in the fall.
(4) Flower protection
Flowering stage can be applied to strong tree Wang branch girdling, and spray 30PPM of gibberellic acid, can increase the rate of fruit set.
(5) Pest control
Attention should be paid to the control of common powdery mildew, red spider mite and tsutsugamushi disease.
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